<template>
    <div class="login_container">
        <div class="login_box">
        <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
        <!-- 登录表单区 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="el-icon-search">></el-input>
                </el-form-item>
            <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="el-icon-search" type="password"></el-input>
                </el-form-item>
                <el-form-item class="btn">
                    <el-button type="primary" @click="login">登录</el-button>
                     <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>
<script>
export default {
  data () {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: 'zl',
        password: '123456xy'
      },
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ]
        //  验证密码是否合法
      }
    }
  },
  methods: {
    resetLoginForm () {
      // console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate( async valid => {
        if (!valid) return;
        //let str = JSON.stringify(this.loginForm)
        const res = await this.$http.post('zl/login', 'username='+this.loginForm.username+'&password='+this.loginForm.password);
        //const res = await this.$http.post('zl/login', str);
        if(res.data.code!==0) return this.$message.error('登录失败');
        this.$message.success('登录成功');
        console.log(res)
        /*
        if(res.status!==200) return console.log('登录失败')
        console.log('登录成功')
        */
       window.sessionStorage.setItem("token",res.data.data.token)
       this.$router.push("/home")
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container{
  background-color: #2b4b6b;
  height: 100%;
}

.login_box{
width: 450px;
height: 300px;
background-color: #fff;
border-radius: 3px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
// 往上（x轴）,左（y轴）移动自身长宽的 50%，以使其居于中心位置。

.avatar_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img{
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
    }
}
}

.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

.btn{
    display: flex;
    justify-content: flex-end;
}
</style>
